Resolve stale forge.lthn.ai/core/cli v0.1.0 references (tag never existed,
earliest is v0.0.1) and regenerate go.sum via workspace-aware go mod tidy.
Co-Authored-By: Virgil <virgil@lethean.io>
Wraps the existing build, release, and SDK subsystems as REST endpoints
via a BuildProvider that implements Provider, Streamable, Describable,
and Renderable. Includes 6 Lit custom elements for GUI display within
the Core IDE, following the same pattern established in go-scm.
Co-Authored-By: Virgil <virgil@lethean.io>